TY - BOOK AU - Kelly, Valerie J. CN - I 19.76: CY - Portland, Or. : CY - Denver, Colo. : DA - 1996. ID - 196015 KW - Water KW - Water quality N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 97-0345-M. PB - U.S. Dept. of the Interior, U.S. Geological Survey ; PB - Earth Science Information Center, Open-File Reports Section [distributor], PP - Portland, Or. : PP - Denver, Colo. : PY - 1996. T1 - Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992 TI - Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992 ER -